Commit | Line | Data |
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1394f032 | 1 | /* |
96f1050d | 2 | * Copyright 2004-2009 Analog Devices Inc. |
1394f032 | 3 | * |
96f1050d | 4 | * Licensed under the GPL-2 or later |
1394f032 BW |
5 | */ |
6 | ||
1394f032 BW |
7 | #include <asm-generic/vmlinux.lds.h> |
8 | #include <asm/mem_map.h> | |
520473b0 | 9 | #include <asm/page.h> |
0fa63ad7 | 10 | #include <asm/thread_info.h> |
1394f032 | 11 | |
1394f032 BW |
12 | OUTPUT_FORMAT("elf32-bfin") |
13 | ENTRY(__start) | |
14 | _jiffies = _jiffies_64; | |
15 | ||
1394f032 BW |
16 | SECTIONS |
17 | { | |
d86bfb16 | 18 | #ifdef CONFIG_RAMKERNEL |
1394f032 | 19 | . = CONFIG_BOOT_LOAD; |
d86bfb16 BS |
20 | #else |
21 | . = CONFIG_ROM_BASE; | |
22 | #endif | |
23 | ||
b7627acc MF |
24 | /* Neither the text, ro_data or bss section need to be aligned |
25 | * So pack them back to back | |
26 | */ | |
1394f032 BW |
27 | .text : |
28 | { | |
de6a9520 MF |
29 | __text = .; |
30 | _text = .; | |
31 | __stext = .; | |
7664709b | 32 | TEXT_TEXT |
b8d0c778 | 33 | #ifndef CONFIG_SCHEDULE_L1 |
1394f032 | 34 | SCHED_TEXT |
b8d0c778 | 35 | #endif |
de6a9520 | 36 | LOCK_TEXT |
1ee76d7e | 37 | IRQENTRY_TEXT |
27d875f2 | 38 | KPROBES_TEXT |
d86bfb16 BS |
39 | #ifdef CONFIG_ROMKERNEL |
40 | __sinittext = .; | |
41 | INIT_TEXT | |
42 | __einittext = .; | |
43 | EXIT_TEXT | |
44 | #endif | |
27d875f2 | 45 | *(.text.*) |
de6a9520 MF |
46 | *(.fixup) |
47 | ||
bc6e0fa1 MF |
48 | #if !L1_CODE_LENGTH |
49 | *(.l1.text) | |
50 | #endif | |
1394f032 | 51 | __etext = .; |
de6a9520 MF |
52 | } |
53 | ||
d49e8e7e | 54 | EXCEPTION_TABLE(4) |
6f985294 BS |
55 | NOTES |
56 | ||
b7627acc MF |
57 | /* Just in case the first read only is a 32-bit access */ |
58 | RO_DATA(4) | |
d86bfb16 | 59 | __rodata_end = .; |
b7627acc | 60 | |
d86bfb16 BS |
61 | #ifdef CONFIG_ROMKERNEL |
62 | . = CONFIG_BOOT_LOAD; | |
63 | .bss : AT(__rodata_end) | |
64 | #else | |
b7627acc | 65 | .bss : |
d86bfb16 | 66 | #endif |
b7627acc MF |
67 | { |
68 | . = ALIGN(4); | |
69 | ___bss_start = .; | |
70 | *(.bss .bss.*) | |
71 | *(COMMON) | |
bc6e0fa1 MF |
72 | #if !L1_DATA_A_LENGTH |
73 | *(.l1.bss) | |
74 | #endif | |
75 | #if !L1_DATA_B_LENGTH | |
76 | *(.l1.bss.B) | |
77 | #endif | |
13752046 | 78 | . = ALIGN(4); |
b7627acc MF |
79 | ___bss_stop = .; |
80 | } | |
de6a9520 | 81 | |
d86bfb16 BS |
82 | #if defined(CONFIG_ROMKERNEL) |
83 | .data : AT(LOADADDR(.bss) + SIZEOF(.bss)) | |
84 | #else | |
de6a9520 | 85 | .data : |
d86bfb16 | 86 | #endif |
de6a9520 MF |
87 | { |
88 | __sdata = .; | |
b7627acc | 89 | /* This gets done first, so the glob doesn't suck it in */ |
4a5e3513 | 90 | CACHELINE_ALIGNED_DATA(32) |
de6a9520 | 91 | |
b85b82d9 SZ |
92 | #if !L1_DATA_A_LENGTH |
93 | . = ALIGN(32); | |
94 | *(.data_l1.cacheline_aligned) | |
bc6e0fa1 MF |
95 | *(.l1.data) |
96 | #endif | |
97 | #if !L1_DATA_B_LENGTH | |
98 | *(.l1.data.B) | |
b85b82d9 | 99 | #endif |
07aa7be5 | 100 | #if !L2_LENGTH |
262c3825 SZ |
101 | . = ALIGN(32); |
102 | *(.data_l2.cacheline_aligned) | |
103 | *(.l2.data) | |
104 | #endif | |
b85b82d9 | 105 | |
27d875f2 | 106 | DATA_DATA |
27d875f2 MF |
107 | CONSTRUCTORS |
108 | ||
4a5e3513 | 109 | INIT_TASK_DATA(THREAD_SIZE) |
b7627acc | 110 | |
de6a9520 MF |
111 | __edata = .; |
112 | } | |
d86bfb16 BS |
113 | __data_lma = LOADADDR(.data); |
114 | __data_len = SIZEOF(.data); | |
1394f032 | 115 | |
b7627acc MF |
116 | /* The init section should be last, so when we free it, it goes into |
117 | * the general memory pool, and (hopefully) will decrease fragmentation | |
118 | * a tiny bit. The init section has a _requirement_ that it be | |
119 | * PAGE_SIZE aligned | |
120 | */ | |
121 | . = ALIGN(PAGE_SIZE); | |
de6a9520 | 122 | ___init_begin = .; |
27d875f2 | 123 | |
d86bfb16 | 124 | #ifdef CONFIG_RAMKERNEL |
4a5e3513 | 125 | INIT_TEXT_SECTION(PAGE_SIZE) |
70f12567 | 126 | |
0afc272c | 127 | /* We have to discard exit text and such at runtime, not link time, to |
70f12567 | 128 | * handle embedded cross-section references (alt instructions, bug |
0afc272c JZ |
129 | * table, eh_frame, etc...). We need all of our .text up front and |
130 | * .data after it for PCREL call issues. | |
70f12567 MF |
131 | */ |
132 | .exit.text : | |
133 | { | |
134 | EXIT_TEXT | |
135 | } | |
0afc272c JZ |
136 | |
137 | . = ALIGN(16); | |
138 | INIT_DATA_SECTION(16) | |
0415b00d | 139 | PERCPU_SECTION(32) |
0afc272c | 140 | |
70f12567 MF |
141 | .exit.data : |
142 | { | |
143 | EXIT_DATA | |
144 | } | |
145 | ||
4a5e3513 | 146 | .text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data)) |
d86bfb16 BS |
147 | #else |
148 | .init.data : AT(__data_lma + __data_len) | |
149 | { | |
150 | __sinitdata = .; | |
151 | INIT_DATA | |
152 | INIT_SETUP(16) | |
153 | INIT_CALLS | |
154 | CON_INITCALL | |
155 | SECURITY_INITCALL | |
156 | INIT_RAM_FS | |
157 | ||
353470cc | 158 | . = ALIGN(PAGE_SIZE); |
d86bfb16 | 159 | ___per_cpu_load = .; |
d6cb2e3a | 160 | PERCPU_INPUT(32) |
d86bfb16 BS |
161 | |
162 | EXIT_DATA | |
163 | __einitdata = .; | |
164 | } | |
165 | __init_data_lma = LOADADDR(.init.data); | |
166 | __init_data_len = SIZEOF(.init.data); | |
167 | __init_data_end = .; | |
168 | ||
169 | .text_l1 L1_CODE_START : AT(__init_data_lma + __init_data_len) | |
170 | #endif | |
1394f032 BW |
171 | { |
172 | . = ALIGN(4); | |
de6a9520 | 173 | __stext_l1 = .; |
c6345ab1 | 174 | *(.l1.text.head) |
bc6e0fa1 | 175 | *(.l1.text) |
b8d0c778 RG |
176 | #ifdef CONFIG_SCHEDULE_L1 |
177 | SCHED_TEXT | |
178 | #endif | |
1394f032 | 179 | . = ALIGN(4); |
de6a9520 MF |
180 | __etext_l1 = .; |
181 | } | |
5cd82a6d MF |
182 | __text_l1_lma = LOADADDR(.text_l1); |
183 | __text_l1_len = SIZEOF(.text_l1); | |
184 | ASSERT (__text_l1_len <= L1_CODE_LENGTH, "L1 text overflow!") | |
1394f032 | 185 | |
5cd82a6d | 186 | .data_l1 L1_DATA_A_START : AT(__text_l1_lma + __text_l1_len) |
1394f032 BW |
187 | { |
188 | . = ALIGN(4); | |
de6a9520 | 189 | __sdata_l1 = .; |
bc6e0fa1 | 190 | *(.l1.data) |
de6a9520 | 191 | __edata_l1 = .; |
1394f032 | 192 | |
1394f032 | 193 | . = ALIGN(32); |
bc6e0fa1 | 194 | *(.data_l1.cacheline_aligned) |
1394f032 | 195 | |
262c3825 SZ |
196 | . = ALIGN(4); |
197 | __sbss_l1 = .; | |
198 | *(.l1.bss) | |
1394f032 | 199 | . = ALIGN(4); |
de6a9520 MF |
200 | __ebss_l1 = .; |
201 | } | |
5cd82a6d MF |
202 | __data_l1_lma = LOADADDR(.data_l1); |
203 | __data_l1_len = SIZEOF(.data_l1); | |
204 | ASSERT (__data_l1_len <= L1_DATA_A_LENGTH, "L1 data A overflow!") | |
de6a9520 | 205 | |
5cd82a6d | 206 | .data_b_l1 L1_DATA_B_START : AT(__data_l1_lma + __data_l1_len) |
1394f032 BW |
207 | { |
208 | . = ALIGN(4); | |
209 | __sdata_b_l1 = .; | |
bc6e0fa1 | 210 | *(.l1.data.B) |
1394f032 BW |
211 | __edata_b_l1 = .; |
212 | ||
213 | . = ALIGN(4); | |
214 | __sbss_b_l1 = .; | |
bc6e0fa1 | 215 | *(.l1.bss.B) |
1394f032 BW |
216 | . = ALIGN(4); |
217 | __ebss_b_l1 = .; | |
de6a9520 | 218 | } |
5cd82a6d MF |
219 | __data_b_l1_lma = LOADADDR(.data_b_l1); |
220 | __data_b_l1_len = SIZEOF(.data_b_l1); | |
221 | ASSERT (__data_b_l1_len <= L1_DATA_B_LENGTH, "L1 data B overflow!") | |
262c3825 | 222 | |
5cd82a6d | 223 | .text_data_l2 L2_START : AT(__data_b_l1_lma + __data_b_l1_len) |
262c3825 SZ |
224 | { |
225 | . = ALIGN(4); | |
226 | __stext_l2 = .; | |
07aa7be5 | 227 | *(.l2.text) |
262c3825 SZ |
228 | . = ALIGN(4); |
229 | __etext_l2 = .; | |
230 | ||
231 | . = ALIGN(4); | |
232 | __sdata_l2 = .; | |
07aa7be5 | 233 | *(.l2.data) |
262c3825 SZ |
234 | __edata_l2 = .; |
235 | ||
236 | . = ALIGN(32); | |
237 | *(.data_l2.cacheline_aligned) | |
238 | ||
239 | . = ALIGN(4); | |
240 | __sbss_l2 = .; | |
07aa7be5 | 241 | *(.l2.bss) |
262c3825 SZ |
242 | . = ALIGN(4); |
243 | __ebss_l2 = .; | |
244 | } | |
5cd82a6d MF |
245 | __l2_lma = LOADADDR(.text_data_l2); |
246 | __l2_len = SIZEOF(.text_data_l2); | |
247 | ASSERT (__l2_len <= L2_LENGTH, "L2 overflow!") | |
6f985294 | 248 | |
36208059 MF |
249 | /* Force trailing alignment of our init section so that when we |
250 | * free our init memory, we don't leave behind a partial page. | |
251 | */ | |
d86bfb16 | 252 | #ifdef CONFIG_RAMKERNEL |
5cd82a6d | 253 | . = __l2_lma + __l2_len; |
d86bfb16 BS |
254 | #else |
255 | . = __init_data_end; | |
256 | #endif | |
36208059 MF |
257 | . = ALIGN(PAGE_SIZE); |
258 | ___init_end = .; | |
259 | ||
b7627acc | 260 | __end =.; |
de6a9520 | 261 | |
c11b5776 MF |
262 | STABS_DEBUG |
263 | ||
264 | DWARF_DEBUG | |
265 | ||
023bf6f1 | 266 | DISCARDS |
1394f032 | 267 | } |